In WooCommerce, the $product object holds all the essential details about a product. Whether you're building a custom function or customizing templates, here's a handy guide to the most commonly used properties and methods available from the $product object:

1. Product ID: $product->get_id()
2. Product Name: $product->get_name()
3. Product Type: $product->get_type()
4. Product SKU: $product->get_sku()
5. Description: $product->get_description()
6. Short Description: $product->get_short_description()
7. Regular Price: $product->get_regular_price()
8. Sale Price: $product->get_sale_price()
9. Stock Quantity: $product->get_stock_quantity()
10. Weight: $product->get_weight()
11. Dimensions: $product->get_dimensions()
12. Category IDs: $product->get_category_ids()
13. Tag IDs: $product->get_tag_ids()
14. Gallery Images: $product->get_gallery_image_ids()
15. Featured Image: $product->get_image_id()
16. Attributes: $product->get_attributes()
17. Variations: $product->get_available_variations()
18. Average Rating: $product->get_average_rating()
19. Review Count: $product->get_review_count()
20. Product URL: $product->get_permalink()
21. Add to Cart URL: $product->add_to_cart_url()
22. Add to Cart Text: $product->add_to_cart_text()

These methods help you retrieve just about any product-related data you need. You can inspect the full object using var_dump($product) or print_r($product) for custom debugging. Refer to the WooCommerce Developer Docs for more in-depth reference.